<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        class Phone {
            constructor() {

            }

            get price() {
                console.log('价格属性被读取了')
                return '456'
            }

            set price(newVal) {
                console.log('价格属性被修改了')
            }
        }

        const phone = new Phone()
        phone.price
        phone.price = "123"

    </script>
</body>

</html>